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authorBrijesh Singh <brijesh.singh@amd.com>2018-03-08 06:48:52 -0600
committerPaolo Bonzini <pbonzini@redhat.com>2018-03-13 17:36:05 +0100
commit5dd0df7e742100d1abf2d6ede42c2ad366da6dc8 (patch)
treecc417c8d6e3955a271b68273917bd624199c7067 /target/i386
parentc6c89c976dd654a943603396f1ea58b7a0eb3101 (diff)
downloadqemu-5dd0df7e742100d1abf2d6ede42c2ad366da6dc8.zip
sev/i386: finalize the SEV guest launch flow
SEV launch flow requires us to issue LAUNCH_FINISH command before guest is ready to run. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386')
-rw-r--r--target/i386/sev.c29
-rw-r--r--target/i386/trace-events1
2 files changed, 30 insertions, 0 deletions
diff --git a/target/i386/sev.c b/target/i386/sev.c
index 0132beaf24..dc8136c56e 100644
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -578,6 +578,34 @@ static Notifier sev_machine_done_notify = {
.notify = sev_launch_get_measure,
};
+static void
+sev_launch_finish(SEVState *s)
+{
+ int ret, error;
+
+ trace_kvm_sev_launch_finish();
+ ret = sev_ioctl(sev_state->sev_fd, KVM_SEV_LAUNCH_FINISH, 0, &error);
+ if (ret) {
+ error_report("%s: LAUNCH_FINISH ret=%d fw_error=%d '%s'",
+ __func__, ret, error, fw_error_to_str(error));
+ exit(1);
+ }
+
+ sev_set_guest_state(SEV_STATE_RUNNING);
+}
+
+static void
+sev_vm_state_change(void *opaque, int running, RunState state)
+{
+ SEVState *s = opaque;
+
+ if (running) {
+ if (!sev_check_state(SEV_STATE_RUNNING)) {
+ sev_launch_finish(s);
+ }
+ }
+}
+
void *
sev_guest_init(const char *id)
{
@@ -656,6 +684,7 @@ sev_guest_init(const char *id)
ram_block_notifier_add(&sev_ram_notifier);
qemu_add_machine_init_done_notifier(&sev_machine_done_notify);
+ qemu_add_vm_change_state_handler(sev_vm_state_change, s);
return s;
err:
diff --git a/target/i386/trace-events b/target/i386/trace-events
index ce6c71b375..6a19a69af5 100644
--- a/target/i386/trace-events
+++ b/target/i386/trace-events
@@ -14,3 +14,4 @@ kvm_sev_change_state(const char *old, const char *new) "%s -> %s"
kvm_sev_launch_start(int policy, void *session, void *pdh) "policy 0x%x session %p pdh %p"
kvm_sev_launch_update_data(void *addr, uint64_t len) "addr %p len 0x%" PRIu64
kvm_sev_launch_measurement(const char *value) "data %s"
+kvm_sev_launch_finish(void) ""